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2007.55: Invariants de classes: le cas semi-stable

2007.55: Jean Gillibert (2005) Invariants de classes: le cas semi-stable. Compositio Mathematica, 141 (4). pp. 887-901. ISSN 0010-473X

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DOI: 10.1112/S0010437X05001594

Abstract

We define here an analogue, for a semi-stable group scheme whose generic fiber is an abelian variety, of M. J. Taylor's class-invariant homomorphism (defined for abelian schemes), and we give a geometric description of it. Then we extend a result of Taylor, Srivastav, Agboola and Pappas concerning the kernel of this homomorphism in the case of an elliptic curve.

Item Type:Article
Uncontrolled Keywords:torsors; line bundles; elliptic curves; duality.
Subjects:MSC 2000 > 11 Number theory
MSC 2000 > 14 Algebraic geometry
MIMS number:2007.55
Deposited By:Miss Louise Stait
Deposited On:30 March 2007

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